Yamaoka is a Japanese surname. Notable people with the surname include:
(born 1968), Japanese video game composer (Silent Hill series) Kristi Yamaoka (born 1987), American cheerleader discussed in Cheerleading#Dangers of cheerleading (born 1943), Japanese politician of the Democratic Party of Japan , Japanese professional baseball player (1526–1585), samurai (1836–1888), samurai
Fictional characters: Hajime Yamaoka, a character from Ultraman Nexus Shirō Yamaoka, protagonist of the manga series Oishinbo Rin Yamaoka, a playable character in the video game Dead by Daylight Kazan Yamaoka, a playable character in the video game Dead by Daylight
See also Yamaoka Station, train station in Ena, Gifu Prefecture, Japan Yamaoka, Gifu, former town in Ena, Gifu Prefecture, Japan